TREA

Bruno Willhalm

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  • Chene-Bourg, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cyclic C.sub.6 esters and their use in perfumes
    • Patent number 4,289,659
    • Issue date Sep 15, 1981
    • Firmenich SA
    • Karl-Heinrich Schulte-Elte
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Cyclic C.sub.6 compounds and their use in perfumes
    • Patent number 4,264,467
    • Issue date Apr 28, 1981
    • Firmenich SA
    • Karl-Heinrich Schulte-Elte
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
  • Information Patent Grant

    Cyclic C.sub.6 ketones in perfumes
    • Patent number 4,147,672
    • Issue date Apr 3, 1979
    • Firmenich SA
    • Karl-Heinrich Schulte-Elte
    • A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES